Home / 52,524.79-78,787.19-19,231.36

Finding the Fourth Proportional to 52,524.79, 78,787.19 and 19,231.36

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Solution

The fourth proportional to 52,524.79, 78,787.19 and 19,231.36 is: 28,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,524.79 : 78,787.19 = 19,231.36 : x
  2. Step 2: Convert to fraction form
    52,524.79/78,787.19 = 19,231.36/x
  3. Step 3: Cross multiply
    52,524.79x = 78,787.19 × 19,231.36
  4. Step 4: Simplify right side
    52,524.79x = 1,515,184,814.28
  5. Step 5: Solve for x
    x = 1,515,184,814.28/52,524.79
  6. Step 6: Final answer
    x = 28,847.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.